نتایج جستجو برای: effluent flow

تعداد نتایج: 491685  

Abdollah Dargahi, Mostafa Leili, Razieh Khamutian, Reza Shokoohi, Yaser Vaziri,

Background & Aims of the Study: Antibiotics utilize with the aim of improving human, animal and plant health; also, for treating infections caused by pathogenic bacteria. When these compounds introduce into ecosystems, could affect the microbial community and jeopardize human health. Therefore, the aim of present study is to determination of the presence of six common utilized ...

In Nigeria irrigated agriculture is an important tool for economic growth, food security, and poverty reduction during dry periods of rain-fed agriculture. The concentration and composition of dissolved constituents in water determines its quality for irrigation use. Water quality studies strongly suggest that agriculture is a leading source of water quality problems, due to pesticides and othe...

Journal: :Journal of applied physiology 2013
Anne R Crecelius Brett S Kirby Jennifer C Richards Frank A Dinenno

Intravascular adenosine triphosphate (ATP) evokes vasodilation and is implicated in the regulation of skeletal muscle blood flow during exercise. Mechanical stresses to erythrocytes and endothelial cells stimulate ATP release in vitro. How mechanical effects of muscle contractions contribute to increased plasma ATP during exercise is largely unexplored. We tested the hypothesis that simulated m...

Journal: :international journal of environmental research 2014
l.e.m.c. zaidan g. guimarães l.b. santos y.b. brandão c.m.b.m. barbosa

there is a great interest in developing rapid analytical methods and provide appropriate parametersfor quantitative analysis of compounds derived from refractory pollutants. such methods are important forroutine quality control analysis of an effluent before being discharged into the environment. therefore, a rapid methodology for identification and quantification of some aliphatic acids is pro...

2012
Okine Abdul Razak Hanada Masaaki Aibibula Yimamu Okamoto Meiji

The role of moisture absorptive capacity of pre-silage material and its relationship with silage effluent in high moisture by-product feedstuffs (HMBF) is assessed. The term water retention capacity which is sometimes used in explaining the rate of effluent control in ensilage may be inadequate, since it accounts exclusively for the capacity of an absorbent incorporated into a pre-silage materi...

Journal: Pollution 2017

In Nigeria irrigated agriculture is an important tool for economic growth, food security, and poverty reduction during dry periods of rain-fed agriculture. The concentration and composition of dissolved constituents in water determines its quality for irrigation use. Water quality studies strongly suggest that agriculture is a leading source of water quality problems, due to pesticides and othe...

2017
Daniel S. Andersen Bryan Woodbury Roger Eigenberg Robert T. Burns Lara B. Moody

Vegetative treatment systems (VTSs) are one type of control structure that has shown potential to control runoff from open feedlots. To achieve maximum performance, sheet-flow over the width of the vegetative treatment area (VTA) is required. Tools, such as maps of flow paths through the VTA, are needed to aid producers in locating concentrated flow paths and in determining the most effective a...

2015
Trey Nobles Yixin Zhang Sebastien Duperron

Freshwater mussels (Family Unionidae) are among the most imperiled group of organisms in the world, with nearly 65% of North American species considered endangered. Anthropogenic disturbances, including altered flow regimes, habitat alteration, and pollution, are the major driver of this group's decline. We investigated the effects of tertiary treated municipal wastewater effluent on survivorsh...

Aminzadeh, Behnoush , Torabian, Ali , Tourang, Masoud ,

 Background: Increasing nitrate concentrations in groundwater resources is considered a common environmental and public health problem worldwide. In this research, an autotrophic up-flow bioreactor with pumice as media was used to study the effects of the sulfur-to-nitrogen (S/N) ratio and empty bed contact time (EBCT) on nitrate removal efficiency and byproducts. Methods: Experiments were car...

Journal: :Heart 2002
H Ashrafian L Swan

Anastomosis of the superior vena cava to the right pulmonary artery (classic Glenn shunt), although initially a successful procedure, is complicated by the development of troublesome diffuse microvascular and potentially lethal macrovascular pulmonary arteriovenous malformations (PAVMS) in up to 25% of cases. The pathogenesis of PAVMS is unclear but has been tentatively attributed to either the...

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